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20025454420110 = 2351924934677913
BaseRepresentation
bin1001000110110100010100…
…00110001110000010001110
32121220102012100110000200010
410203122022012032002032
510111044112312420420
6110331322230414050
74134535300022136
oct443321206160216
977812170400603
1020025454420110
116420824a59677
1222b5098201326
13b23513a03a99
144d3346ad3ac6
1524ad948bb4e0
hex12368a18e08e

20025454420110 has 32 divisors (see below), whose sum is σ = 48063588804000. Its totient is φ = 5339843601408.

The previous prime is 20025454420109. The next prime is 20025454420159. The reversal of 20025454420110 is 1102445452002.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16761487 + ... + 17916426.

It is an arithmetic number, because the mean of its divisors is an integer number (1501987150125).

Almost surely, 220025454420110 is an apocalyptic number.

20025454420110 is an abundant number, since it is smaller than the sum of its proper divisors (28038134383890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20025454420110 is a wasteful number, since it uses less digits than its factorization.

20025454420110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34697172.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 20025454420110 its reverse (1102445452002), we get a palindrome (21127899872112).

The spelling of 20025454420110 in words is "twenty trillion, twenty-five billion, four hundred fifty-four million, four hundred twenty thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 19249 38498 57747 96245 115494 192490 288735 577470 34677913 69355826 104033739 173389565 208067478 346779130 520168695 1040337390 667515147337 1335030294674 2002545442011 3337575736685 4005090884022 6675151473370 10012727210055 20025454420110